Tennis elbow

Also known as "shooter's elbow" and "archer's elbow".
The outer part of the elbow becomes painful and tender. It is commonly associated with playing tennis and other racquet sports, though the injury can happen to almost anybody.
What exactly occur is ("inflammation of the outside elbow bone").
Symptoms
•Recurring pain on the outside of the upper forearm just 2cm below the outer edge of the elbow joint.
•Pain caused by lifting or bending the arm.
•Doing simple tasks such as opening a door handle or shaking hands.
•Difficulty extending the forearm fully.
•Morning stiffness.
Treatment
•Rest the arm until pain disappears.
•Heat or ice -many times aday-
•massage to relieve stress and tension in the muscles.
•strengthen the area away from your specific activity to avoid being enthusiastic and injure yourself again,you may use hand weights.
Prevent re-injury
•Always start low and grade slow.
•A counter-force brace to reduce strain at the elbow, to limit pain and to protect against further damage.
•warm up your arm for at least 5 to 10 minutes with gentle stretching and movement before starting any activity.
•Take frequent breaks.
•You are susceptible to re-injury without adequate rest.